Comparison

Tap Stack vs Slime Merge

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Tap Stack

Tap to stack colorful blocks and build your tower as high as possible. Dodge explosive bombs and enjoy satisfying visual and sound effects. Perfect for quick gaming sessions or stress relief.

Highlights
  • Infinite block stacking gameplay
  • Bomb dodge mechanic
  • Progressive difficulty and speed increases
  • Milestone celebrations
  • Local high score system
  • One-handed portrait gameplay
  • Offline play
Features
Read full description

STACK AS HIGH AS YOU CAN! Tap Stack - Endless stack is the addictive block-stacking game that's easy to learn but impossible to master! Stack colorful blocks, dodge explosive bombs, and climb your way to new heights! ONE-TAP GAMEPLAY Simple controls, maximum fun! Tap to place blocks perfectly and build your tower. The higher you go, the faster it gets! DODGE THE BOMBS Explosive bomb blocks appear randomly! Let them pass to score bonus points or risk placing them carefully - but they explode! BEAUTIFUL COLOR-CHANGING BLOCKS Watch your tower transform with vibrant colors as you climb higher. Each row brings new stunning gradients and visual effects! MILESTONES & SPEED CHALLENGES Reach milestones at rows 10, 30, 50, 100, and beyond! The game speeds up at rows 50 and 150 - can you handle the pressure? SATISFYING EFFECTS • Smooth animations and particle effects • Haptic feedback on every placement • Immersive sound design • Screen shake and visual celebrations PERFECT FOR: • Quick 5-minute gaming sessions • Commute entertainment • Stress relief • Improving reaction time • Beating your friends' scores DOWNLOAD NOW AND START STACKING! Can you reach 100 rows? 200 rows? How high can YOU stack? FEATURES AT A GLANCE: • Infinite gameplay - stack as high as you can! • Bomb dodge mechanic for extra points • Progressive difficulty with speed increases • Milestone celebrations every 10 rows • Local high score system • One-handed portrait gameplay • No ads or in-app purchases • Offline play - no internet required • Beautiful gradient blocks • Satisfying sound effects and haptics • Smooth 60 FPS performance

About

Slime Merge

Features
Read full description

Drop. Merge. Squish! Slime Merge is the cutest, most satisfying drop-and-merge game around. Drop adorable slimes into the bowl, line up two of the same, and watch them merge into a bigger, wobblier blob. Easy to learn, impossible to put down. HOW TO PLAY - Tap to drop a slime - Two matching slimes merge into the next one up - Keep merging and don't let the bowl overflow - Chase the biggest slime and your highest score WHY YOU'LL LOVE IT - Oddly satisfying, squishy soft-body slimes that jiggle, pop and gooey-merge - Relaxing one-hand play, perfect for chilling out or killing time - Discover rare mutation slimes with special looks - Power-ups to clear space and pull off huge combos - Climb the Game Center leaderboard and beat your friends - Free to play, pick up and play anytime Every merge feels good. Every drop counts. Can you reach the final slime and top the leaderboard? Drop your first slime now!

Screenshots

Tap Stack4 screens
Slime Merge4 screens

Verdict

The call

The clearest difference is in-app purchases: Slime Merge at none against Tap Stack's 1. Tap Stack's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Tap Stack sells 1 one-off in-app purchase. Slime Merge asks for nothing beyond the download.

UpkeepUpdate frequency

Tap Stack ships an update every 4 days, Slime Merge every 3 days. The most recent releases landed on September 7, 2026 and September 14, 2026 respectively.

Scorecard2 real differences · 7 level
Tap Stack versus Slime Merge: the parameters behind the verdict, then further details
ParameterTap StackSlime Merge
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 4 daysEvery 3 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size48 MB80 MB
Age rating4+12+
DeveloperOla BorthenFabian Mehlhorn

In-app purchases

1 purchases

Tap Stack

One-time1
  • Remove ads + free retry$1.99
None

Slime Merge

No in-app purchases

Questions

Is Tap Stack free?
Tap Stack is free to download, with in-app purchases available.
Is Slime Merge free?
Slime Merge is free to download, with no in-app purchases.
Do Tap Stack or Slime Merge have ads?
Both Tap Stack and Slime Merge show ads.
Which is updated more often, Tap Stack or Slime Merge?
Tap Stack ships an update every 4 days, and Slime Merge every 3 days. Most recently, Tap Stack was updated on September 7, 2026 and Slime Merge on September 14, 2026.

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